达尔文 & 焦文刚. (2011). 物种起源: Origin of species. 新世界出版社.
Lua i Stíl Chicago (17ú heag.)达尔文 agus 焦文刚. 物种起源: Origin of Species. 新世界出版社, 2011.
Lua MLA (8ú heag.)达尔文 agus 焦文刚. 物种起源: Origin of Species. 新世界出版社, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.